[DevTools] Handle more cases for async step in markers

[DevTools] Handle more cases for async step in markers

Also added a test.

BUG=none

Review-Url: https://codereview.chromium.org/2880863002
Cr-Commit-Position: refs/heads/master@{#471621}
Committed: https://chromium.googlesource.com/chromium/src/+/0d4efb2fa21de85b0b5637e151447a4e23c81b06

[dgozman, 2017-05-12 23:00:19]

dgozman@chromium.org changed reviewers:
+ kozyatinskiy@chromium.org

[dgozman, 2017-05-12 23:00:20]

Please take a look.

[kozy, 2017-05-12 23:47:50]

lgtm % please add continue to location marker for debugger!

[dgozman, 2017-05-13 15:36:02]

The CQ bit was checked by dgozman@chromium.org

[commit-bot: I haz the power, 2017-05-13 15:36:18]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-13 17:26:22]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-05-13 17:26:23]

Try jobs failed on following builders:
  win_chromium_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[dgozman, 2017-05-14 01:01:53]

The CQ bit was checked by dgozman@chromium.org

[commit-bot: I haz the power, 2017-05-14 01:02:03]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-14 08:22:53]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494723713372430, "parent_rev":
"ee36babf91a54379889370cdd207e818555acb5d", "commit_rev":
"0d4efb2fa21de85b0b5637e151447a4e23c81b06"}

[commit-bot: I haz the power, 2017-05-14 08:23:02]

Description was changed from

==========
[DevTools] Handle more cases for async step in markers

Also added a test.

BUG=none
==========

to

==========
[DevTools] Handle more cases for async step in markers

Also added a test.

BUG=none

Review-Url: https://codereview.chromium.org/2880863002
Cr-Commit-Position: refs/heads/master@{#471621}
Committed:
https://chromium.googlesource.com/chromium/src/+/0d4efb2fa21de85b0b5637e15144...
==========

[commit-bot: I haz the power, 2017-05-14 08:23:03]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/0d4efb2fa21de85b0b5637e15144...